Question

Please somebody can explain me how to do it please

Answer 1

`\frac{9 {y}^(12) }{4 {x}^(12) }`

Explanation:

Simplify the expression.

Express with a positive exponent with this.

`( (a)/(b) )^( - n) = ( (b)/(a)) ^(n)`

To raise a fraction to a power, raise the numerator and denominator to that power.